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- User manual, controlling the simulation. 

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@1120 3ecf2c5c-341e-0410-92b4-d18e462d057c
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matrevis 2006-09-12 22:34:55 +00:00
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@ -944,6 +944,47 @@ button of the dialogis pressed.
@cindex simulation
The simulation itself is not interactive, so it may be thought as a recording.
From a mathematical point of view, every simulation has an instant, called
its @strong{end}, after wich no significant changes invove the simulated entities.
Our simulator does reproduce simualations from the beginning to the end,
and not further.
@subsubsection Simulation reproduction controls
Controls over the simulation reproduction are very similar to those of a
digital audio player.
The "play" button starts the reproduction, the "pause" button pauses it, and
the "stop" button stops it. After the simulation is stopped, the last reproduced
information is left on the screen, as if the simulation were paused. Anyway,
pressing play after having stopped the simulation will start the reproducion from
the beginning of the recording.
@subsubsection Simulation reproduction modes
If the simulation play mode is set to @strong{continuous}, reproduction of the simulation
will continue until the end is reached.
Otherwise the simulation will pause after every single advance in reproduction.
The simulation mode may be selected on the "Simulation" menu.
@subsubsection Caching issues
The content of the simulation itself is calculated on demand, and cached, so
the first reproduction will usually be slightly slower than the following ones.
When a simulation is stopped the cache is @strong{not} erased. The cache is erased
each time the user @strong{modifies} the simulated environment, by adding,
removing or editing any kind of entity, or by changing any policy or any of
its parameters.
This is also the reason for simulations using the lottery policy will sometimes
be reproduced identical.
@c % -------------------------------------------------
@node From the commandline, (none), From the GUI, Using SGPEM
@section From the commandline